FZUS61 KBUF 012103 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 403 PM EST Sun Mar 1 2026 For waters beyond five nautical miles of shore on Lake Ontario Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS...A strong 30.7 inch high will build southeast over the lower Great Lakes tonight before moving off the New England coast Monday night. A weak 30.1 inch low will then move from the Ohio Valley late Tuesday to off the New England coast Tuesday night. A 30.3 inch high will briefly build over the lower Great Lakes Wednesday before moving off the New England coast Wednesday night. A 29.8 inch low is then forecast to move from the mid Mississippi Valley Wednesday night to the lower Great Lakes Thursday night before weakening while shifting across southern New England on Friday. LOZ062-063-020400- Lake Ontario open waters from the Niagara River to Sodus Bay- 403 PM EST Sun Mar 1 2026 .TONIGHT...Northwest winds 15 to 20 knots becoming north 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY...North winds 10 knots or less becoming southeast. Waves 1 foot or less. .MONDAY NIGHT...Southeast winds 10 to 15 knots becoming south. Waves 1 to 3 feet. .TUESDAY...South winds 5 to 15 knots becoming east. A chance of rain in the afternoon. Waves 2 feet or less. .TUESDAY NIGHT...East winds 5 to 10 knots becoming north. A chance of rain. Waves 1 foot or less. .WEDNESDAY...Northeast winds 5 to 15 knots becoming east. A chance of rain showers Wednesday night. Waves 2 feet or less. .THURSDAY...Northeast winds 10 to 15 knots becoming east 15 to 20 knots. Rain showers likely. Waves 1 to 3 feet building to 3 to 5 feet. .FRIDAY...Southeast winds 15 to 20 knots becoming south. A chance of rain showers during the day, then rain showers likely Friday night. Waves 3 to 5 feet. $$ LOZ064-065-020400- Lake Ontario open waters from Sodus Bay to the Saint Lawrence River- 403 PM EST Sun Mar 1 2026 .TONIGHT...Northwest winds 5 to 15 knots becoming north. Waves 1 to 3 feet. .MONDAY...Northeast winds 10 knots or less becoming southeast. Waves 1 foot or less. .MONDAY NIGHT...Southeast winds 5 to 15 knots becoming south 15 to 20 knots. Waves 1 to 3 feet. .TUESDAY...South winds 10 to 15 knots becoming southeast. A chance of rain and snow in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...Southeast winds 10 knots or less. A chance of rain. Waves 1 foot or less. .WEDNESDAY...East winds 10 knots or less. A chance of rain showers Wednesday night. Waves 2 feet or less. .THURSDAY...Northeast winds 10 to 15 knots becoming east 15 to 20 knots. Rain showers likely. Waves 2 feet or less building to 2 to 4 feet. .FRIDAY...Southeast winds 15 to 25 knots becoming south. Rain showers likely. Waves 2 to 4 feet building to 3 to 6 feet. $$ LOZ061-020400- MAFOR 0122/ ONTARIO WEST 1/2 12710 11810 12800 11400 11300 11200. Waves 1 to 3 feet tonight. Waves 1 foot or less Monday. ONTARIO EAST 1/2 13710 12800 11600 11400 11300. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet tonight. Waves 1 foot or less Monday. $$